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Journal articleLande TS, Constandinou TG, Burdett A, et al., 2007,
Running cross-correlation using bitstream processing
, Electronics Letters, Vol: 43, Pages: 1181-1183, ISSN: 0013-5194A novel architecture for running cross-correlation and convolution using bitstream processing is proposed. The computationally intensive multiplications inherent in cross-correlation and convolution are replaced by simple logic operations (AND XOR) using bitstream representation. The reduced complexity enables compact and energy efficient silicon solutions suitable for small, portable devices such as wearable heartbeat detecting electronics embedded in the actual ECG patch.
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Journal articleTriantis IF, Woods V, Eftekhar A, et al., 2007,
Advances in Neural Interfacing
, IEEE Circuits and Systems Society Newsletter, Vol: 1 -
Conference paperConstandinou TG, Georgiou J, Doumanidis CC, et al., 2007,
Towards an Implantable vestibular prosthesis: The surgical challenges
, 3rd International IEEE/EMBS Conference on Neural Engineering, Publisher: IEEE, Pages: 40-+ -
Conference paperLi X, Constandinou TG, Eftekhar A, et al., 2007,
Towards a bionic neural link for implantable prosthetics
, IEEE EMBS Conference on Neural Engineering, Publisher: Institute of Electrical and Electronics Engineers (IEEE), Pages: 85-88 -
Conference paperGeorgiou P, Triantis IF, Constandinou TG, et al., 2007,
Spiking Chemical Sensor (SCS): A new platform for neuro-chemical sensing
, IEEE EMBS Conference on Neural Engineering, Publisher: Institute of Electrical and Electronics Engineers (IEEE), Pages: 126-129 -
Conference paperGeorgiou J, Constandinou TG, Toumazou C, 2007,
A Micropower Cochlear Prosthesis System Demonstrator
, IEEE International Symposium on Circuits and Systems (ISCAS), Publisher: Institute of Electrical and Electronics Engineers (IEEE), Pages: 1219-1219 -
Conference paperEftekhar A, Constandinou TG, Triantis IF, et al., 2007,
Towards a Reconfigurable Sense-and-Stimulate Neural Interface Generating Biphasic Interleaved Stimulus
, 3rd International IEEE/EMBS Conference on Neural Engineering (CNE), Publisher: IEEE, Pages: 438-441 -
Journal articleGeorgiou P, Constandinou TG, Toumazou C, 2006,
Low-power spiking chemical pixel sensor
, Electronics Letters, Vol: 42, Pages: 1331-1332, ISSN: 0013-5194 -
Journal articleDegenaar P, Constandinou TG, Toumazou C, 2006,
Adaptive ON-OFF spiking photoreceptor
, Electronics Letters, Vol: 42, Pages: 196-198, ISSN: 0013-5194An adaptive spike generator circuit for intelligent vision chips is presented. A pulse frequency modulation spike encoder, capable of providing very high dynamic ranges with power consumption similar to an animal retina, has been developed. The circuit is inspired by the ON-OFF opponency algorithm used by the human eye.
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Journal articleConstandinou TG, Toumazou C, 2006,
A micropower centroiding vision processor
, Solid-State Circuits, IEEE Journal of, Vol: 41, Pages: 1430-1443, ISSN: 0018-9200 -
Conference paperconstandinou TG, Degenaar P, Toumazou C, 2006,
An adaptable foveating vision chip
, 2006 IEEE International Symposium on Circuits and Systems, Publisher: IEEE, Pages: 3566-3569 -
Conference paperConstandinou TG, Toumazou C, 2006,
A Micropower Vision Processor for Parallel Object Positioning and Sizing
, IEEE International Symposium on Circuits and Systems (ISCAS), Publisher: Institute of Electrical and Electronics Engineers (IEEE), Pages: 943-946 -
ReportConstandinou TG, 2005,
Bio-inspired Electronics for Micropower Vision Processing
, PhD Thesis, London, UK, Publisher: Imperial College of Science, Technology and Medicine, University of London -
SoftwareConstandinou TG, 2005,
ORASIS Algorithm Simulator
, United Kingdom, Publisher: Imperial College London -
Journal articleConstandinou TG, Toumazou C, 2004,
Neuromorphic electronics for real-time biomedical image processing
, The Neuromorphic Engineer, Vol: 1 -
Conference paperConstandinou TG, Degenaar P, Bradley D, et al., 2004,
An on/off spiking photoreceptor for adaptive ultrafast/ultrawide dynamic range vision chips
, IEEE Workshop on Biomedical Circuits and Systems (BioCAS), Publisher: Institute of Electrical and Electronics Engineers (IEEE), Pages: 9-12 -
Conference paperConstandinou TG, Georgiou J, Toumazou C, 2004,
A nano-power tuneable edge-detection circuit
, New York, IEEE International Symposium on Circuits and Systems (ISCAS), Publisher: IEEE, Pages: 449-452 -
Conference paperConstandinou TG, Georgiou J, Toumazou C, 2004,
Towards a bio-inspired mixed-signal retinal processor
, New York, IEEE International Symposium on Circuits and Systems (ISCAS), Publisher: Institute of Electrical and Electronics Engineers (IEEE), Pages: 493-496 -
Journal articleConstandinou TG, Georgiou J, Toumazou C, 2003,
Nano-power mixed-signal tunable edge-detection circuit for pixel-level processing in next generation vision systems
, Electronics Letters, Vol: 39, Pages: 1774-1776, ISSN: 0013-5194A useful nano-power circuit is presented for edge detection in integrated vision systems. Based on a compact front-end of only five MOS devices, this circuit features a tunable threshold and discrete output and is ideal for interfacing to digital electronics.
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Journal articleConstandinou TG, 2003,
Stepper Motors Uncovered (2)
, Elektor Electronics, Vol: 2003, ISSN: 0268-4519
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